Olympus OM-D E-M1 Mark III with Sony Alpha A7R IV Overview
Let's compare Sony Alpha A7R IV with Olympus OM-D E-M1 Mark III.
These models are included in the Pro Mirrorless cameras.
Sony A7R IV was released in 2019, and Olympus E-M1 MIII in 2020.
OM-D E-M1 Mark III is newer, which is a plus. Alpha A7R IV 1 years older.
The sensor resolution of Alpha A7R IV is greater than that of OM-D E-M1 Mark III. The difference of 41 MP is quite a lot.
The more megapixels the camera has, the more detailed and clear the picture will be. The number of megapixels will also affect the maximum size of the photos, which then can be printed without loss of quality.
At the second camera (OM-D E-M1 Mark III), the minimum ISO value is lower, which gives more opportunities for shooting in daylight.
A larger maximum ISO allows you to take good pictures in the dark.
At Sony A7R IV, the maximum ISO is greater by 6400.
Both cameras have 5-axis Sensor-shift image stabilization.
Both cameras feature a 3-inch tilting screen.
Both cameras have a electronic viewfinder.
Viewfinder Alpha A7R IV has a higher resolution of 5760k dots, OM-D E-M1 Mark III has a resolution of 2360k dots.
Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. Sony Alpha A7R IV has 60.0 fps continuous shooting.
Sony Alpha A7R IV has 60.0 fps continuous shooting.
| General |
Alpha A7R IV |
OM-D E-M1 Mark III |
| Brand |
Sony
|
Olympus
|
| Model |
Alpha A7R IV |
OM-D E-M1 Mark III |
| Announced |
July, 2019 |
February, 2020 |
| Body Type |
SLR-style mirrorless |
SLR-style mirrorless |
| Lens |
| Lens Mount |
Sony E |
Micro Four Thirds |
| Manual Focus |
|
|
| Focal Lens Multiplier |
1 |
2 |
| Number of Lenses |
116 |
103 |
| Macro Focus Range |
n/a |
n/a |
| Screen |
| Screen Size |
3" |
3" |
| Screen Type |
Tilting |
Articulated |
| Screen Resolution |
1440k pixels |
1037k pixels |
| Touch Screen |
|
|
| Live View |
|
|
| Viewfinder |
| Viewfinder |
Electronic |
Electronic |
| Viewfinder Resolution |
5760 |
| Viewfinder Coverage |
100% |
100% |
| Viewfinder Magnification |
0.78 |
0.74 |
| Autofocus |
| AF Touch |
|
|
| AF Continuous |
|
|
| AF Single |
|
|
| AF Tracking |
|
|
| AF Selective |
|
|
| AF Center |
|
|
| AF Multi Area |
|
|
| AF Live View |
|
|
| AF Face Detection |
|
|
| AF Contrast Detection |
|
|
| AF Phase Detection |
|
|
| Number of Focus Points |
567 |
121 |
| Number of Cross Focus Points |
0 |
121 |
| Photography Features |
| RAW Support |
|
|
| Min Shutter Speed |
1/30 sec |
1/60 sec |
| Max Shutter Speed |
1/8000 sec |
1/8000 sec |
| Continuous Shooting |
10.0 fps |
60.0 fps |
| Shutter Priority |
|
|
| Aperture Priority |
|
|
| Manual Exposure Mode |
|
|
| Exposure Compensation |
|
|
| Custom White Balance |
|
|
| Image Stabilization |
|
|
| Built-in Flash |
|
|
| Flash Range |
no built-in flash |
no built-in flash |
| Flash Modes |
Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync. |
Redeye, Fill-in, Flash Off, Red-eye Slow sync.(1st curtain), Slow sync.(1st curtain), Slow sync.(2nd curtain), Manual |
| External Flash |
|
|
| AE Bracketing |
|
|
| AE Bracketing Range |
±5 EV |
±5 EV |
| WB Bracketing |
|
|
| Sensor |
| Sensor Size |
Full frame |
Four Thirds |
| Sensor Type |
BSI-CMOS |
CMOS |
| Sensor Dimensions |
mm |
mm |
| Sensor Area |
0.0 mm² |
0.0 mm² |
| Sensor Resolution |
61 MP |
20 MP |
| Max Image Resolution |
9504 x 6336 |
5184 x 3888 |
| Max Native ISO |
32000 |
25600 |
| Min Native ISO |
100 |
200 |
| Max Boosted ISO |
102800 |
0 |
| Min Boosted ISO |
50 |
64 |
| Video Features |
| 4K |
|
|
| Max Video Resolution |
3840 x 2160 |
4096 x 2160 |
| Video Formats |
MPEG-4, XAVC S, H.264 |
MPEG-4, H.264 |
| Timelapse Recording |
|
|
| Microphone Port |
|
|
| Headphone Port |
|
|
| Exposure Modes |
| Multi-Segment |
|
|
| Average |
|
|
| Spot |
|
|
| Partial |
|
|
| AF-Area |
|
|
| Center Weighted |
|
|
| Connectivity |
| GPS |
None |
None |
| Wireless Connectivity |
Built-In |
Built-In |
| Bluetooth |
|
|
| HDMI |
|
|
| USB |
USB 3.1 Gen 1(5 GBit/sec) |
USB 3.1 Gen 1 (5 GBit/sec) |
| Battery |
| Battery Life |
670 shots |
420 shots |
| Battery Type |
Battery Pack |
Battery Pack |
| Battery Model |
NP-FZ100 |
BLH-1 |
| Physical |
| Weight |
665 g |
580 g |
| Physical Dimensions |
129 x 96 x 78 mm |
134 x 91 x 69 mm |
| Environmental Sealing |
|
|
| Water Proof |
|
|
| Dust Proof |
|
|
| Shock Proof |
|
|
| Crush Proof |
|
|
| Freeze Proof |
|
|
| Shock Proof |
|
|
| Storage |
| Storage Type |
Dual SD/SDHC/SDXC (UHS-II compatible) |
Dual SD/SDHC/SDXC slots (UHS-II on first slot) |
| Storage Slots |
2 |
2 |
| Other Features |
| Self Timer |
|
|
| Selfie Friendly |
|
|
Interesting Pro Mirrorless
